class Object
Public Class Methods
unique_methods()
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Lists methods unique to a class.
# File lib/ext/object.rb, line 8 def self.unique_methods (public_methods - Object.methods).sort.map(&:to_sym) end
Public Instance Methods
args_and_opts(*args)
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Returns a list of arguments and an options hash. Source taken from RSpec.
# File lib/ext/object.rb, line 13 def args_and_opts(*args) options = Hash === args.last ? args.pop : {} return args, options end
blank?()
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An object is blank if it’s nil, empty, or a whitespace string. For example, “”, “ ”, nil, [], and {} are blank.
This simplifies
if !address.nil? && !address.empty?
to
if !address.blank?
# File lib/inactive_support/core_ext/blank.rb, line 9 def blank? respond_to?(:empty?) ? empty? : !self end
class_def(name, &blk)
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Defines an instance method within a class
# File lib/ext/metaclass.rb, line 14 def class_def name, &blk class_eval { define_method name, &blk } end
meta_def(name, &blk)
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Adds methods to a metaclass
# File lib/ext/metaclass.rb, line 9 def meta_def name, &blk meta_eval { define_method name, &blk } end
meta_eval(&blk)
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# File lib/ext/metaclass.rb, line 6 def meta_eval(&blk); metaclass.instance_eval(&blk); end
metaclass()
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The hidden singleton lurks behind everyone
# File lib/ext/metaclass.rb, line 5 def metaclass; class << self; self; end; end
unique_methods()
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Lists methods unique to an instance.
# File lib/ext/object.rb, line 3 def unique_methods (public_methods - Object.methods).sort.map(&:to_sym) end